Internal function to check variables included in tabulate_rsp_subgroups() and create column labels.
d_rsp_subgroups_colvars(vars, conf_level = NULL, method = NULL)A list of variables to tabulate and their labels.
(character)
variable names for the primary analysis variable to be iterated over.
(proportion)
confidence level of the interval.
(string or NULL)
specifies the test used to calculate the p-value for the difference between
two proportions. For options, see test_proportion_diff(). Default is NULL so no test is performed.